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The Variety and Ecology of Galls With a Focus on Those Induced on Oak Species Life in a Gall The Biology and Ecology of Insects that Live in Plant Galls.
Table of contents
Please bring laptops or tablets. Lodging: 2-person dorm rooms included in course fee Provisions: Cafeteria-style meals provided included in course fee Start Time: Friday evening. While exploring forest, dune, and wetland habitats of the Humboldt Bay National Wildlife Refuge, we will also include discussions on the ecology and stewardship of the region. Rare species to be looked for include black crowberry Empetrum nigrum , Del Norte buckwheat Eriogonum nudum var. Lodging: Not provided—participants are encouraged to stay in hotels in Arcata, California Meals: Not provided Transportation: Personal vehicle required for driving between field sites Hiking: Moderate Start Time: Friday morning.
Its members include cool-season and warm-season species, annuals and perennials, natives and exotics, and widespread dominants and rare endemics. This workshop will provide a better understanding of this ubiquitous, species-rich family. Participants will be instructed in detail on the vegetative and reproductive features of grasses.
Aspects of anatomy, physiology, and ecology will also be addressed. Most time will be spent learning to use the identification keys in the second edition of The Jepson Manual. Special attention will be given to difficult couplets and taxa.
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In addition, participants will learn how to identify common genera by using diagnostic characteristics. If conditions are favorable, we will go to the field on Sunday afternoon; most of this class will take place in a lab classroom. Wetland Delineation. Wetlands are typically recognized as soggy portions of the landscape that are covered—often intermittently—with shallow water, have soils saturated with water, or have plants that look different from those in the surrounding areas.
Scientific studies have shown that wetlands are essential to maintaining the biological, chemical, and physical integrity of the aquatic ecosystem. State and federal programs have been established that regulate impacts to wetlands as part of their overall water quality protection strategy.
These agencies differ in how wetlands are defined and how they are geographically delineated. This workshop will emphasize the definition and delineation method for wetlands used by the U. Army Corps of Engineers Corps and U. Department of Agriculture, and U. Other types of aquatic habitats in addition to wetlands and how they are identified and delineated by the Corps, USEPA, and other state and federal agencies will also be discussed. We will meet at Rush Ranch Thursday morning and afternoon for classroom lectures and training exercises that will acquaint participants with the various definitions, terminology, and delineation approach methodologies.
We will spend Friday and Saturday in the field gaining real-world experience with the meanings of definitions and associated terminology through hands-on experience using the various wetland delineation methodologies, with analysis of results and field delineation of wetland-upland boundaries. This will include exploring how and why the various definitions and associated methodologies produce different results in terms of wetland area delineated. Class will be held rain or shine! Lodging: not provided Meals: Not Provided—participants must bring sack lunch each day Transportation: Driving personal vehicles up to 75 miles per day required Hiking: Easy to moderate hiking up to 3 miles per day on wet, uneven terrain Start Time: Thursday morning.
Butterflies: Biology, Behavior, and Identification. Butterflies are conspicuous insects familiar to anyone who has walked outdoors on a sunny day. While some species have become rare or threatened due to habitat loss, many are ubiquitous in both urban and rural landscapes. Their caterpillars feed externally on plants, often sequestering toxins from their host plants to aid in their own defense. In this workshop, through classroom presentations, discussion, and hands-on activities we will explore the diversity of butterflies, their life cycles and host plants, behaviors, and identification, with a special focus on California and the Bay Area.
We will then tour the Essig Museum of Entomlogy, including the now extinct Xerces blue butterfly, then head to the field to spot caterpillars and butterflies. We will also discuss how to promote butterflies in your own neighborhood by providing resources for both larvae and adults.
American Journal of Botany
How to Learn the Plant Families of California. This four-day workshop is designed for beginning to amateur botanists to learn how to identify California plants by family and acquire the tools needed for continuing the self-education process of plant identification. Lectures and lab activities will emphasize the characteristics that are most useful for family-level plant identification. We will learn how to use the family key in the second edition of The Jepson Manual , which contains native or naturalized vascular plant families, with a combination of field collections in the Bay Area and lab work using both fresh material and herbarium specimens.
A familiarity with botanical terms is helpful but not required. There will be a pre-workshop reading list, which will assist in providing familiarity with or review of technical terms so as to make getting through the workshop significantly easier. The use of a dissecting kit and a dissecting microscope during lab sessions will be available for each student.
Students must attend all four days of the workshop; each part of the workshop will establish the foundation for the following sessions. Meals: Not provided—participants must bring a sack lunch each day Transportation: Personal vehicle required for driving to multiple field sites Hiking: Easy to Moderate Start Time: Early morning. The coast ranges of California are a patchwork of difficult to access, public and private lands that include: high and low elevation ecosystems; a variety of longitudinal and latitudinal gradients; a complex assemblage of bedrock and soil types; a myriad of climate regimes; and many areas where different floristic regions and subregions converge.
All of these factors drive a high level of diversity. Due to the inaccessibility of the coast ranges they harbor many under-collected localities. We will be venturing into the northern end of the wilderness, in Tehama County on the Shasta—Trinity National Forest, to explore and document the flora. We will hike into a group camp site on the first day while our gear is packed in by mule!
The first evening we will explore the area around our camp and begin compiling a plant list. Plant ID, assisted by the instructors, will be done throughout the day and back at camp in the evenings. Participants will have the opportunity to collect and press specimens for donation to California herbaria.
Participants are expected to bring the required gear listed below and sent out on the packing list and should be comfortable spending the full duration of the workshop in a remote campsite with no access to cell phone reception or amenities. Lodging: Group camp set-up with full kitchen Provisions: Simple, camping-style, communal meals will be provided; water is available but participants must be prepared to purify their own water Required Gear: Backpacking tent, sleeping bag, bear canister, water purification system filter, tablets or Steri-pen Hiking: Moderate to occasionally strenuous Start Time: Thursday morning.
The , acre Tejon Ranch, located in Kern and Los Angeles counties, is the largest contiguous private property in California and, until recently, was largely inaccessible to the public. It is a region of great biological diversity that lies at the confluence of five biogeographic provinces Sierra Nevada, Great Central Valley, Coast Ranges, Transverse Ranges, and Mojave Desert and four floristic regions.
As such, this area is a haven for pristine vegetation, rare and endemic species, ancient oak trees, and intact watersheds.
This workshop will introduce participants to the biogeography and summer flora of the Tejon Ranch. Depending on road conditions, we will explore a variety of grassland, scrubland, woodland, forest, and desert communities. Tejon Ranch is home to many special-status plant species and we expect to see some of these, including the Tehachapi buckwheat Eriogonum callistum , which is endemic to the ranch.
If we are lucky, we may even see California condors flying overhead. Meals: Not provided; shared kitchen available on site for food storage and preparation Transportation: Personal vehicles with 4WD recommended but not required Hiking: Moderate Start Time: Thursday afternoon. August 12—13, Bruce Baldwin , John L. Strother UC Berkeley.
Beginning with an overview of morphological characteristics of composites family-wide , including a review of terms used in descriptions and keys, we will provide a synopsis of diversity within Compositae and a brief introduction to recognition of tribes. This workshop does not include a field trip. Familiarity with a dissecting microscope and experience using dichotomous keys is useful but not essential. This course will begin with an overview of what drives climate change now and what has driven it in the recent past.
Moving on, we will leave the present for a Deep Time perspective on climate, ranging from the extreme cold million years ago to the end-Permian hot house. Before lunch, we end closer to home with the climate oscillation of the recent ice ages last few millions of years and its effect on North American floras. In the afternoon, we will examine the impacts of climate change on society and environment focusing on California, and consider actions at the local, regional and state level to address these challenges.
Participants will be asked to consider likely impacts in their own communities and how to balance competing demands, for example increasing protection from sea level rise vs. Come prepared with your own questions about climate change for fruitful group discussion on the topic. Plant galls provide a fascinating array of color and texture on many of the plants in our California landscape. Galls, growths of plant cells that are not normal plant organs, can be induced by a number of organisms.
The most numerous as well as most beautiful and intriguing are those induced by insects. Two insect families are found only in plant galls: Cynipidae gall wasps and Cecidomyiidae gall midges or gnats. Plant galls also host a whole ecology of other insects, including herbivorous inquilines and carnivorous parasitoids like the wasp family Ormyridae, which is found only in plant galls.
Most of these organisms are too small for us to see, so that the only thing we notice is the colorful gall growth itself. In this workshop, we will start by exploring the diversity of extant insect-induced plant galls and the community of species found within them. Our study will begin with a series of lectures covering gall induction, development, plant host specificity, and inducer life histories using Joyce Gross' excellent photographic images of galls and gall insects.
We will then take a short campus field trip to learn how to find galls. Back in the classroom, we will dissect galls under microscopes to examine their intricate structures and view the occupiers. We will wrap up with discussion about the evolution of the plant host-plant gall interrelationships with examples from fossil galls. Hamilton, California. This course will get you started in GIS software and cover fundamentals in geography, mapping, GPS global positioning systems units and land cover, and other spatial data. Working in a modern internet-accessible lab as well as in the field, we will learn how to use GIS or geographic information system desktop application , where to get freely available data, and how to make maps.
This workshop will focus on the spatial technology necessary to answer questions about biodiversity, conservation, ecology and related fields. The goal of this workshop is to provide context on how GIS programs can be used to maximize projects for plant scientists and consultants working with field or historic data. Participants will learn how to make field maps and, depending on group familiarity with GIS, analyze data within the program.
Make sure you have administrative privileges on your computer.
Smartphone and GPS are optional, useful tools as well. Start Time: Friday evening. Mushrooms of the Bay Area.